// Copyright 2018, the Flutter project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import UIKit
import Foundation

protocol PlatformViewControllerDelegate {
  func didUpdateCounter(counter: Int)
}

class PlatformViewController : UIViewController {
  var delegate: PlatformViewControllerDelegate? = nil
  var counter: Int = 0

  @IBOutlet weak var incrementLabel: UILabel!

  override func viewDidLoad() {
    super.viewDidLoad()
    setIncrementLabelText()
  }

  func handleIncrement(_ sender: Any) {
    self.counter += 1
    self.setIncrementLabelText()
  }

  func switchToFlutterView(_ sender: Any) {
    self.delegate?.didUpdateCounter(counter: self.counter)
    dismiss(animated:false, completion:nil)
  }

  func setIncrementLabelText() {
    let text = String(format: "Button tapped %d %@", self.counter, (self.counter == 1) ? "time" : "times")
    self.incrementLabel.text = text;
  }
}
